fixing problem where ansible would error out because Amazon was saying the group…

fixing problem where ansible would error out because Amazon was saying the group didnt exist yet (needed to wait a few more seconds for amazon to propagate correctly)

library/cloud/ec2_group

@@ -230,6 +230,10 @@ def main():
                 # to 0.0.0.0/0 is added automatically but it's not
                 # reflected in the object returned by the AWS API
                 # call. We re-read the group for getting an updated object
+                # amazon sometimes takes a couple seconds to update the security group so wait till it exists
+                while len(ec2.get_all_security_groups(filters={ 'group_id': group.id, })) == 0:
+                    time.sleep(0.1)
+
                 group = ec2.get_all_security_groups(group_ids=(group.id,))[0]
             changed = True
     else: